Curufin whips out his sword, but he's immediately entranced by Zelda's response to the crabs. She shields herself with crystal and then explodes it, causing many shards of sharp crystal to fly at the crabs and impale them.

He stands ready to dispatch any crustaceans that aren't dead, but that doesn't seem to be a problem at the moment.

He looks around to see if another wave is coming yet. . .